Motorcycle crash statistics and hotspots in Walnut Creek, CA
- motorcycle crashes, 2021–2026
- 95
- motorcycle crashes, 2021–2026
- serious or fatal
- 22
- serious or fatal
- fatal
- 0
- fatal
- street with the most
- I-680
- street with the most
Where they cluster
All 10 spots, explainedIs Walnut Creek safe to ride a motorcycle?
This page covers traffic crashes, not crime. We don't rate cities as safe or unsafe: crash counts can't say how risky a street is, and busy streets have more crashes partly because more people use them. What the records show: 95 motorcycle crashes were reported in Walnut Creek from 2021–2026, 22 of them serious or fatal. The most were at Main St & Parkside Dr (4). 21% involved no other vehicle, usually running wide or losing grip. 16% involved a car turning left across the rider.
Where to look next
How motorcyclists crash in Walnut Creek
- 21% involved no other vehicle, usually running wide or losing grip.
- 16% involved a car turning left across the rider.
- 22% happened after dark.
- 14% were hit-and-run.
What the reports show about motorcycle crashes in Walnut Creek
- 22% (California: 25%) of crashes happened after dark.
- 94% (California: 80%) were on roads posted 40 mph or faster.
- 23% (California: 28%) left someone seriously hurt or killed.
- The busiest hour was 5 p.m. (California: 5 p.m.).
- 4% (California: 2%) were on a wet road, as the report records it.
Set against all motorcycle crashes in California, 2021–2026. Without traffic counts these can't say how risky a street is.
Where motorcycle crashes cluster
Spots with 3 or more reported crashes within about 250 m, worst first.
- 014 crashes · 3 serious or fatal
Main St & Parkside Dr
Side-impact crashes at the junction
2 of 4 crashes were broadside: a vehicle hit at an angle, usually a driver pulling out of a side street or driveway, turning across, or running the signal. Traffic is posted at about 65 mph.
- Cover your brakes through the junction and watch the front wheels of cars waiting to pull out or turn left. Drivers misjudge how fast a motorcycle is coming.
- Traffic is fast here: at this speed you cross a junction in about a second, so scan early.
- 027 crashes · 1 serious or fatal
I-680 & Treat Blvd
A mix of crash types
Traffic is posted at about 65 mph.
- No single crash pattern stands out here. Ride within your sight distance and keep extra space.
- Traffic is fast here: at this speed you cross a junction in about a second, so scan early.
- 035 crashes · 1 serious or fatal
I-680 & Trinity Ave
Close passes and cars turning alongside
3 of 5 crashes were sideswipes: a vehicle alongside, typically a close pass, a right hook, or an opening car door. Traffic is posted at about 65 mph.
- Don't linger in drivers' blind spots, and watch for cars changing lanes or turning into driveways alongside you.
- Traffic is fast here: at this speed you cross a junction in about a second, so scan early.
- 043 crashes · 2 serious or fatal
I-680 & Oak Park Blvd
Falls and fixed objects
2 of 3 crashes were a fall or hitting an object, with no other vehicle involved. Traffic is posted at about 65 mph.
- Enter slower than feels necessary and watch for gravel, sand and diesel. Look through the bend.
- Traffic is fast here: at this speed you cross a junction in about a second, so scan early.
- 053 crashes · 2 serious or fatal
Treat Blvd & Arkell Rd
Side-impact crashes at the junction
2 of 3 crashes were broadside: a vehicle hit at an angle, usually a driver pulling out of a side street or driveway, turning across, or running the signal.
- Cover your brakes through the junction and watch the front wheels of cars waiting to pull out or turn left. Drivers misjudge how fast a motorcycle is coming.
- 066 crashes
I-680 & South Main St
A mix of crash types
Traffic is posted at about 65 mph.
- No single crash pattern stands out here. Ride within your sight distance and keep extra space.
- Traffic is fast here: at this speed you cross a junction in about a second, so scan early.
- 074 crashes · 1 serious or fatal
Main St & Olympic Blvd
Side-impact crashes at the junction
Police reports: in 3 of 4, a driver didn't yield while turning left. 2 of 4 crashes were broadside: a vehicle hit at an angle, usually a driver pulling out of a side street or driveway, turning across, or running the signal. 50% happened after dark.
- Cover your brakes through the junction and watch the front wheels of cars waiting to pull out or turn left. Drivers misjudge how fast a motorcycle is coming.
- Wear bright or reflective gear and use your high beam where you can.
- 083 crashes · 1 serious or fatal
Ygnacio Valley Rd & Oak Grove Rd
A mix of crash types
67% happened after dark.
- No single crash pattern stands out here. Ride within your sight distance and keep extra space.
- Wear bright or reflective gear and use your high beam where you can.
- 093 crashes · 1 serious or fatal
SR-24 & I-680
Riders hit from behind
2 of 3 crashes were rear-end: hit from behind. Traffic is posted at about 65 mph.
- Check your mirrors when slowing, flash your brake light, and leave an escape gap when you stop in traffic.
- Traffic is fast here: at this speed you cross a junction in about a second, so scan early.
- 103 crashes · 1 serious or fatal
I-680 & Main Street O
Falls and fixed objects
2 of 3 crashes were a fall or hitting an object, with no other vehicle involved. 100% happened after dark. Traffic is posted at about 65 mph.
- Enter slower than feels necessary and watch for gravel, sand and diesel. Look through the bend.
- Wear bright or reflective gear and use your high beam where you can.
- Traffic is fast here: at this speed you cross a junction in about a second, so scan early.
Streets with the most motorcycle crashes in Walnut Creek
| Street | Crashes | Serious/fatal |
|---|---|---|
| I-680 | 37 | 8 |
| Ygnacio Valley Rd | 15 | 3 |
| Main St | 10 | 2 |
| SR-24 | 9 | 1 |
| Treat Blvd | 5 | 3 |
| Locust St | 4 | 0 |
Reported motorcycle crashes, 2021–2026, counted by the street each police report names first, so a crash at a corner counts toward one of its two streets. Long, busy streets collect more crashes partly because more people use them.
What the police reports say drivers did in Walnut Creek
| A driver… | Crashes | |
|---|---|---|
| drifted out of the lane or onto the wrong side | 12 | |
| turned or changed lanes when it wasn't clear | 9 | |
| didn't yield while turning left | 8 | |
| started or backed up when it wasn't clear | 4 | |
| turned from the wrong position | 2 |
The other vehicle, where the report names one: 51 cars, 14 SUVs, 5 pickup trucks, 3 minivans and 1 truck or semi. In 1 crash the report says the other driver had been drinking or was on drugs.
Reported motorcycle crashes, 2021–2026. The officer names one party and one Vehicle Code section as the main cause of each crash; these are the crashes where that party was a driver. It is the officer's reading at the scene, not a court's finding, and many reports name the person on foot or on a bike instead, which we don't list.
Motorcycle crashes in Walnut Creek by year
| Year | Crashes | Serious/fatal | |
|---|---|---|---|
| 2021 | 17 | 3 | |
| 2022 | 14 | 1 | |
| 2023 | 9 | 0 | |
| 2024 | 27 | 12 | |
| 2025 | 11 | 4 | |
| 2026to Oct 19 | 17 | 2 |
2026 runs to Oct 19, the newest report in the data, and police reports keep arriving for months, so it isn't a full year.
Common questions about Walnut Creek
- Where do the most motorcycle crashes happen in Walnut Creek?
- The worst spot is Main St & Parkside Dr, with 4 reported motorcycle crashes from 2021–2026, 3 of them serious or fatal. Next are I-680 & Treat Blvd (7) and I-680 & Trinity Ave (5).
- How many motorcyclists were killed in Walnut Creek?
- No deaths were reported in 95 reported motorcycle crashes in Walnut Creek from 2021–2026, and 22 left someone seriously hurt or killed.
- How do motorcyclists usually crash in Walnut Creek?
- 21% involved no other vehicle, usually running wide or losing grip. 16% involved a car turning left across the rider. 22% happened after dark. 14% were hit-and-run.
- When and where do motorcycle crashes happen in Walnut Creek, compared with California?
- Of 95 reported motorcycle crashes in Walnut Creek from 2021–2026: 22% (California: 25%) of crashes happened after dark. 94% (California: 80%) were on roads posted 40 mph or faster. 23% (California: 28%) left someone seriously hurt or killed. The busiest hour was 5 p.m. (California: 5 p.m.). 4% (California: 2%) were on a wet road, as the report records it.
- Which streets in Walnut Creek have the most motorcycle crashes?
- By the street each police report names first, 2021–2026: I-680 (37), Ygnacio Valley Rd (15), Main St (10), SR-24 (9), Treat Blvd (5). Long, busy streets collect more crashes partly because more people use them.
- How many motorcycle crashes happen in Walnut Creek each year?
- Reported motorcycle crashes with map locations: 2021: 17, 2022: 14, 2023: 9, 2024: 27, 2025: 11, 2026 (through Oct 19): 17. The latest year can rise as late reports come in.
- Where does this data come from?
- Police crash reports in the California Crash Reporting System (CCRS), published by the state on data.ca.gov. A report with no coordinates is placed at the intersection its street names give; reports with neither are not counted, so the real totals are higher.
Places to ride to near Walnut Creek
Nearby cities
Source: California Crash Reporting System (CCRS), 2021–2026. A report with no coordinates is placed at the intersection its street names give; reports with neither are not counted, so these numbers are lower than the real total. Freeway crashes are included: many motorcycle crashes in cities happen on them. Busy streets show more crashes partly because more people use them. Data last rebuilt 2026-10-22. How the data works.